JPH05242712A - Luminaire - Google Patents
LuminaireInfo
- Publication number
- JPH05242712A JPH05242712A JP4384892A JP4384892A JPH05242712A JP H05242712 A JPH05242712 A JP H05242712A JP 4384892 A JP4384892 A JP 4384892A JP 4384892 A JP4384892 A JP 4384892A JP H05242712 A JPH05242712 A JP H05242712A
- Authority
- JP
- Japan
- Prior art keywords
- louver
- lamp
- distance
- cutout
- fluorescent lamp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Securing Globes, Refractors, Reflectors Or The Like (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ルーバ体が取り付けら
れた照明器具に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminaire having a louver body attached.
【０００２】[0002]
【従来の技術】従来の照明器具は、直管型のランプの下
方に、ランプの軸方向と垂直に位置して、等間隔に配設
された複数の略等脚台形のルーバ片を有するルーバ体を
取り付ける構造が採られている。2. Description of the Related Art A conventional luminaire is a louver having a plurality of substantially isosceles trapezoidal louver pieces, which are disposed under a straight tube type lamp and are arranged at right intervals in a direction perpendicular to the axial direction of the lamp. The structure to attach the body is adopted.
【０００３】しかし、この構造の照明器具では、ランプ
からルーバ体までの距離と反射との関係から、ルーバ体
の輝度が場所によって異なり不均一であるため、特にオ
フィスオートメーション作業（ＯＡ作業）に支障を来す
場合がある。そして、ランプを例えば高輝度ランプや高
周波点灯専用ランプなどを用いた場合、約３０度の遮光
角を確保していながらルーバの輝度を適切に押さえるこ
とができなくなる問題がある。また、逆に遮光角を大き
くとると照射効率が極端に悪くなる問題がある。However, in the luminaire having this structure, the brightness of the louver body varies from place to place and is non-uniform due to the relationship between the distance from the lamp to the louver body and the reflection, which is particularly troublesome for office automation work (OA work). May come. When a high-intensity lamp, a high-frequency lamp, or the like is used as the lamp, there is a problem that the louver cannot be properly suppressed in brightness while securing a light shielding angle of about 30 degrees. On the contrary, if the light-shielding angle is increased, the irradiation efficiency will be extremely deteriorated.
【０００４】そこで、この問題点を解決すべく図３に示
すような照明器具が知られている。この照明器具は、ル
ーバ片31の上端縁部32にランプ33の外周面に沿うように
略半円弧状の切欠部34を設けたルーバ体35を有し、この
ルーバ体35を、図示しない器具本体の下面に開口する照
射開口部に合わせて、ルーバ体35の上部縁部分に設けら
れた係止部36を係合して取り付ける構造が採られてい
る。Therefore, in order to solve this problem, a lighting fixture as shown in FIG. 3 is known. This luminaire has a louver body 35 in which a substantially semi-circular cutout 34 is provided along the outer peripheral surface of the lamp 33 at the upper edge 32 of the louver piece 31, and this louver body 35 is not shown in the drawing. A structure is adopted in which a locking portion 36 provided on an upper edge portion of the louver body 35 is engaged and attached in accordance with an irradiation opening portion opened on the lower surface of the main body.
【０００５】[0005]
【発明が解決しようとする課題】しかしながら、上記図
３に示す略半円弧状の切欠部34を有するルーバ片31を配
設したルーバ体35を取り付ける照明器具は、切欠部34が
小さいとルーバ体35を器具本体に装着することが困難と
なり、反対に、切欠部34が大きいと遮光特性が低下する
とともに、審美性に問題を有している。However, in the lighting fixture to which the louver body 35 having the louver piece 31 having the substantially semi-circular arc-shaped cutout portion 34 shown in FIG. 3 is attached, the louver body is not provided when the cutout portion 34 is small. It becomes difficult to attach 35 to the main body of the device, and conversely, if the notch 34 is large, the light-shielding property deteriorates, and there is a problem in aesthetics.
【０００６】本発明は、上記問題点に鑑みなされたもの
で、遮光特性を低下させることなく、美観が良好で、装
着も容易に行える照明器具を提供することを目的とす
る。The present invention has been made in view of the above problems, and an object of the present invention is to provide a luminaire which has a good aesthetic appearance and can be easily mounted without deteriorating the light-shielding property.
【０００７】[0007]
【課題を解決するための手段】請求項１記載の照明器具
は、直管型のランプの軸方向に対して垂直に位置して取
り付けられ、上辺に前記ランプの形状に合わせ切欠部が
形成された複数のルーバ片を有し、前記直管型のランプ
を内包し、下面に前記ランプの長手方向に沿った照射開
口の長手方向両側にそれぞれ対向して形成された載置部
に、所定距離摺動可能に載置支持される支持部を有する
ルーバ体を具備し、前記切欠部は、前記ランプの表面か
ら切欠部の縁までの水平方向の距離が、前記ルーバ体の
支持部が前記器具本体の載置部に対して前記ランプの水
平方向の摺動可能な距離と略同一寸法であるものであ
る。According to a first aspect of the present invention, there is provided a lighting apparatus which is mounted so as to be positioned perpendicular to an axial direction of a straight tube type lamp and has a notch formed on an upper side thereof so as to match the shape of the lamp. A plurality of louver pieces, which encloses the straight-tube type lamp, and which is placed on the lower surface at a predetermined distance on the mounting portions formed on both sides of the irradiation opening along the longitudinal direction of the lamp so as to face each other in the longitudinal direction. A louver body having a support portion slidably placed and supported, wherein the cutout portion has a horizontal distance from a surface of the lamp to an edge of the cutout portion, and the support portion of the louver body is the device. The distance is approximately the same as the horizontal slidable distance of the lamp with respect to the mounting portion of the main body.
【０００８】請求項２記載の照明器具は、請求項１記載
の発明において、前記切欠部は、前記ランプの表面から
前記切欠部の縁までの垂直方向の距離が、ルーバ体の支
持部が器具本体の載置部上の摺動可能な距離より短かい
ものである。According to a second aspect of the present invention, in the first aspect of the present invention, the cutout portion has a vertical distance from a surface of the lamp to an edge of the cutout portion, and a support portion of the louver body is a fixture. It is shorter than the slidable distance on the mounting portion of the main body.
【０００９】[0009]
【作用】請求項１記載の照明器具は、ランプの形状に合
わせた切欠部を上辺に有するルーバ片を配設するルーバ
体に支持部を設け、この支持部を載置部に係止してルー
バ体を取り付けるので、このルーバ体の遮光特性を向上
できる。そして、切欠部は直管型のランプ表面から切欠
部の縁までの水平方向の距離が、前記ルーバ体の支持部
が載置部に対して前記ランプの水平方向の摺動可能な距
離と略同一寸法となるように形成されているので、容易
にルーバ体を取り付けることができる。According to the lighting apparatus of the present invention, the louver body is provided with the louver piece having the cutout portion corresponding to the shape of the lamp on the upper side thereof, and the louver body is provided with the support portion. Since the louver body is attached, the light-shielding property of this louver body can be improved. The cutout portion has a horizontal distance from the straight tube type lamp surface to the edge of the cutout portion that is substantially equal to the distance in which the support portion of the louver body can slide in the horizontal direction of the lamp with respect to the mounting portion. Since they are formed to have the same size, the louver body can be easily attached.
【００１０】請求項２記載の照明器具は、前記切欠部
は、前記ランプから切欠部の垂直方向の距離が、前記ル
ーバ体の支持部が載置部に対して前記ランプの垂直方向
の摺動可能な距離より短くなるように形成されているの
で、遮光特性を向上できるとともに、審美性を向上で
き、また、ルーバ体を容易に取り付けることができる。According to a second aspect of the present invention, in the cutout portion, the vertical distance of the cutout portion from the lamp is such that the support portion of the louver body slides in the vertical direction of the lamp with respect to the mounting portion. Since it is formed to be shorter than the possible distance, it is possible to improve the light-shielding property, improve the aesthetics, and easily attach the louver body.
【００１１】[0011]
【実施例】以下、本発明の照明器具の一実施例を図面を
参照して説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the lighting equipment of the present invention will be described below with reference to the drawings.
【００１２】図１において、11は天井枠で、この天井枠
11は略逆Ｔ字型で、たとえば１．２ｍあるいは１．５ｍ
など充分に大きな間隔で略平行に配設され、この天井枠
11の下辺の上面には載置部12が形成され、これら天井枠
11，11の載置部12，12上に被取付材13が配設されてい
る。In FIG. 1, reference numeral 11 denotes a ceiling frame, which is a ceiling frame.
11 is a substantially inverted T shape, for example 1.2m or 1.5m
These ceiling frames are arranged in parallel with each other at sufficiently large intervals.
A mounting portion 12 is formed on the upper surface of the lower side of 11 and these ceiling frames are
A mounting material 13 is disposed on the mounting portions 12 and 12 of 11 and 11.
【００１３】一方、被取付材13が取り付けられていない
天井枠11，11間には、器具本体14が取り付けられ、器具
本体14の下端には照射開口部15を形成するように天井枠
11の載置部12に対向して載置部16が設けられている。On the other hand, a fixture main body 14 is attached between the ceiling frames 11 and 11 to which the attached material 13 is not attached, and a ceiling frame is formed so that an irradiation opening 15 is formed at the lower end of the fixture main body 14.
A mounting portion 16 is provided so as to face the mounting portion 12 of 11.
【００１４】また、天井枠11の長手方向両端側に、図示
しないランプソケットが取り付けられ、これらランプソ
ケット間には、直管型の蛍光ランプ17が挟持されてい
る。Further, lamp sockets (not shown) are attached to both longitudinal ends of the ceiling frame 11, and a straight tube type fluorescent lamp 17 is sandwiched between these lamp sockets.
【００１５】そして、天井枠11の上端には、直管型の蛍
光ランプ17に光学的に対向する彎曲した鏡面あるいは拡
散面の反射体18が支持されて取り付けられている。At the upper end of the ceiling frame 11, a curved mirror surface or diffused surface reflector 18 that optically opposes the straight tube fluorescent lamp 17 is supported and attached.
【００１６】一方、21は遮光用のルーバ体で、このルー
バ体21は、図１および図２に示すように、平面が略等脚
台形で上端縁部に凹状の切欠部22を有した複数のルーバ
片23と、この複数のルーバ片23の左右両斜辺を連結して
接続するルーバ側片24とから形成されている。そして、
ルーバ片23およびルーバ側片24のいずれもが、表面が拡
散面に形成されている。On the other hand, reference numeral 21 denotes a light-shielding louver body. As shown in FIGS. 1 and 2, the louver body 21 has a plurality of flat, isosceles trapezoidal planes and a concave notch 22 at the upper end thereof. The louver piece 23 and the louver side piece 24 that connects and connects the left and right hypotenuses of the plurality of louver pieces 23. And
The surface of each of the louver piece 23 and the louver side piece 24 is formed as a diffusion surface.
【００１７】そして、ルーバ側片24の下端は、ルーバ片
23の下底辺の延長線上に外方に折り返した支持部25を形
成し、この支持部25の先端は上方に折曲され、摺動距離
を規制する規制部26が形成されている。Then, the lower end of the louver side piece 24 is
A support portion 25 that is folded back outward is formed on an extension line of the lower base of 23, and the tip of this support portion 25 is bent upward, and a regulation portion 26 that regulates the sliding distance is formed.
【００１８】そして、ルーバ体21は、天井枠11および器
具本体14の載置部12，16にルーバ体21の両端の支持部25
を係止され、器具本体14内に取り付けられている。この
際、ルーバ片23が前記直管型の蛍光ランプ17の軸方向と
垂直で、蛍光ランプ17の下方にルーバ片23の切欠部22が
位置し、この切欠部22が蛍光ランプ17に間隙を介して対
向して取り付けられる。The louver body 21 is mounted on the mounting portions 12 and 16 of the ceiling frame 11 and the instrument body 14 at the support portions 25 at both ends of the louver body 21.
And is mounted inside the instrument body 14. At this time, the louver piece 23 is perpendicular to the axial direction of the straight tube type fluorescent lamp 17, the cutout portion 22 of the louver piece 23 is located below the fluorescent lamp 17, and the cutout portion 22 forms a gap in the fluorescent lamp 17. It is attached to face each other.
【００１９】また、ルーバ片23の切欠部22は、凹状に彎
曲するように形成され、さらに、蛍光ランプ17の外周表
面から切欠部22の縁までの左右水平方向のそれぞれ両端
の距離Ａ1 ，Ａ2 を加えた距離（Ａ1 ＋Ａ2 ）が、ルー
バ体21の支持部25が天井枠11および器具本体14の載置部
12，16上で摺動可能な距離（Ｂ1 ＋Ｂ2 ）と略同一寸法
に形成されている。さらに、蛍光ランプ17の表面から切
欠部22の縁までの上下方向の距離Ｃが、左右水平方向の
距離（（Ａ1 ＋Ａ2 ）／２）より短くなるように形成さ
れている。Further, the notch 22 of the louver piece 23 is formed so as to be curved in a concave shape, and further, the distance A 1 between the outer peripheral surface of the fluorescent lamp 17 and the edge of the notch 22 in the left and right horizontal directions, respectively. distance plus a 2 (a 1 + a 2 ) is, mounting support 25 of the louver body 21 of the ceiling frame 11 and the instrument main body 14 part
It is formed to have substantially the same size as the slidable distance (B 1 + B 2 ) on the surfaces 12 and 16. Further, the vertical distance C from the surface of the fluorescent lamp 17 to the edge of the notch 22 is shorter than the horizontal distance ((A 1 + A 2 ) / 2).
【００２０】次に、上記実施例の作用について説明す
る。Next, the operation of the above embodiment will be described.
【００２１】ランプソケットなどが配設された器具本体
14を天井枠11などに取り付け、配設された器具本体14の
ランプソケット間に、蛍光ランプ17を装着する。Instrument main body provided with a lamp socket and the like
14 is attached to the ceiling frame 11 and the like, and the fluorescent lamp 17 is mounted between the lamp sockets of the instrument main body 14 provided.
【００２２】次に、ルーバ体21の外方に折り曲がった支
持部25のどちらか一方を照射開口部15から器具本体14内
に挿入する。さらに、ルーバ体21を蛍光ランプ17の外周
がルーバ片23の切欠部22の彎曲に沿うように挿入し、こ
の蛍光ランプ17の軸を中心とするように回転させて、ル
ーバ体21の他方の支持部25を照射開口部15から器具本体
14内に挿入する。そして、ルーバ体21を後から挿入され
た支持部25の折り曲げられた方向に水平移動させて、ル
ーバ体21の支持部25のそれぞれを天井枠11および器具本
体14の載置部12，16に係止して、蛍光ランプ17の幅方向
に支持部25を摺動移動させて位置決めし、ルーバ体21が
器具本体14内に取り付けられる。Next, one of the support portions 25 bent outward of the louver body 21 is inserted into the instrument body 14 through the irradiation opening 15. Further, the louver body 21 is inserted so that the outer periphery of the fluorescent lamp 17 is along the curve of the cutout portion 22 of the louver piece 23, and is rotated about the axis of the fluorescent lamp 17, so that the other side of the louver body 21 is rotated. Support part 25 from irradiation opening 15
Insert within 14. Then, the louver body 21 is horizontally moved in the direction in which the support portion 25 inserted afterwards is bent, and the support portions 25 of the louver body 21 are respectively placed on the mounting portions 12, 16 of the ceiling frame 11 and the instrument body 14. The louver body 21 is mounted in the instrument body 14 by locking and slidingly positioning the support portion 25 in the width direction of the fluorescent lamp 17.
【００２３】上記実施例によれば、凹状の切欠部22を有
するルーバ片23を配設するルーバ体21に支持部25を設
け、切欠部22が蛍光ランプ17に係合するように、支持部
25を天井枠11および器具本体14の載置部12，16に係止し
てルーバ体21を器具本体14内に取り付けるので、ルーバ
体21の輝度および遮光角を均一にすることができ、輝度
を適切にコントロールできるため、ＯＡ作業に支障を来
すことを防止できる。そして、器具本体14内にルーバ体
21を取り付けるので、器具本体14の照射開口部15より突
出することがなく、審美性を向上することができる。According to the above embodiment, the louver body 21 having the louver piece 23 having the concave cutout 22 is provided with the support portion 25, and the support portion 25 is provided so that the cutout portion 22 engages with the fluorescent lamp 17.
Since the louver body 21 is mounted in the instrument body 14 by locking 25 to the ceiling frame 11 and the mounting portions 12 and 16 of the instrument body 14, it is possible to make the louver body 21 uniform in luminance and light-shielding angle. Can be controlled appropriately, which can prevent the OA work from being hindered. Then, the louver body is
Since 21 is attached, it does not protrude from the irradiation opening 15 of the instrument body 14, and aesthetics can be improved.
【００２４】さらに、直管型の蛍光ランプ17の表面から
ルーバ片23の切欠部22の縁までの左右方向の距離（Ａ1
＋Ａ2 ）が、ルーバ体21の支持部25が天井枠11および器
具本体14の載置部12，16に係止されている幅（Ｂ1 ＋Ｂ
2 ）と略同一寸法で、蛍光ランプ17の表面から切欠部22
の縁までの上下方向の距離Ｃが、左右方向の距離（（Ａ
1 ＋Ａ2 ）／２）より短くなるように切り欠かれている
ので、遮光特性を低下させることなく、容易にルーバ体
21を器具本体14内に着脱することができる。Further, the distance from the surface of the straight tube type fluorescent lamp 17 to the edge of the cutout portion 22 of the louver piece 23 in the left-right direction (A 1
+ A 2 ) is the width (B 1 + B) at which the support portion 25 of the louver body 21 is locked to the mounting portions 12 and 16 of the ceiling frame 11 and the instrument body 14.
2 ) Approximately the same size as 2 ), cutout 22 from the surface of the fluorescent lamp 17
The vertical distance C to the edge of is the horizontal distance ((A
1 + A 2 ) / 2) is cut out so that it becomes easier than the louver body without deteriorating the light-shielding property.
21 can be attached to and detached from the device body 14.
【００２５】なお、上記実施例において、ルーバ体21に
配設されたルーバ片23の間隔は、目的の輝度に合わせて
設定することができる。In the above embodiment, the distance between the louver pieces 23 arranged on the louver body 21 can be set according to the desired brightness.
【００２６】また、器具本体14を天井枠11に取り付ける
ことについて説明したが、天井枠11と器具本体14とが一
体に形成されたものや、例えば吊索などの取り付け手段
によって被取付材13に間隙を介して取り付けられる器具
本体14にもできる。Further, although the attachment of the fixture main body 14 to the ceiling frame 11 has been described, the ceiling frame 11 and the fixture main body 14 are integrally formed, or the attachment member 13 is attached to the attached material 13 by attaching means such as a hanging rope. It is also possible for the instrument body 14 to be attached via a gap.
【００２７】[0027]
【発明の効果】請求項１記載の照明器具によれば、ラン
プの形状に合わせた切欠部を有するルーバ片を配設する
ルーバ体に支持部を設け、この支持部を載置部に係止し
てルーバ体を取り付けるので、遮光特性を低下させるこ
となく、審美性を向上することができる。そして、切欠
部は直管型のランプ表面から切欠部の縁までの水平方向
の距離が、前記ルーバ体の支持部が載置部に対して摺動
可能な距離と略同一寸法となるように形成されているの
で、容易にルーバ体を器具本体内に取り付けることがで
きる。According to the lighting apparatus of the first aspect, the louver body for disposing the louver piece having the cutout portion matching the shape of the lamp is provided with the support portion, and the support portion is locked to the mounting portion. Then, since the louver body is attached, the aesthetics can be improved without deteriorating the light shielding property. The cutout portion has a horizontal distance from the straight-tube type lamp surface to the edge of the cutout portion that is substantially the same as the distance over which the support portion of the louver body can slide with respect to the mounting portion. Since it is formed, the louver body can be easily attached in the instrument body.
【００２８】請求項２記載の照明器具によれば、前記切
欠部は、前記ランプから切欠部の垂直方向の距離が、前
記ルーバ体の支持部が前記器具本体の載置部に対して前
記ランプの垂直方向の摺動可能な距離より短くなるよう
に形成されているので、遮光特性を低下させることな
く、審美性を向上でき、器具本体内にルーバ体を容易に
取り付けることができる。According to another aspect of the present invention, in the cutout portion, the distance between the lamp and the cutout portion in the vertical direction is such that the support portion of the louver body is located on the mounting portion of the fixture body. Since it is formed so as to be shorter than the slidable distance in the vertical direction, the aesthetics can be improved without deteriorating the light-shielding property, and the louver body can be easily attached in the instrument body.
【図１】本発明の照明器具の一実施例を示す軸方向の一
部切欠断面図である。FIG. 1 is a partially cutaway sectional view in an axial direction showing an embodiment of a lighting fixture of the present invention.
【図２】同上一部切欠側断面図である。FIG. 2 is a partially cutaway side sectional view of the same as above.
【図３】従来の照明器具の一実施例のルーバ体の軸方向
の断面図である。FIG. 3 is an axial sectional view of a louver body of an example of a conventional lighting fixture.
12，16 載置部 14 器具本体 15 照射開口部 17 蛍光ランプ 21 ルーバ体 22 切欠部 23 ルーバ片 25 支持部 12, 16 Placement part 14 Instrument body 15 Irradiation opening 17 Fluorescent lamp 21 Louver body 22 Notch 23 Louver piece 25 Support
Claims (2)
位置して取り付けられ、上辺に前記ランプの形状に合わ
せ切欠部が形成された複数のルーバ片を有し、前記直管
型のランプを内包し、下面に前記ランプの長手方向に沿
った照射開口の長手方向両側にそれぞれ対向して形成さ
れた載置部に、所定距離摺動可能に載置支持される支持
部を有するルーバ体を具備し、 前記切欠部は、前記ランプの表面から切欠部の縁までの
水平方向の距離が、前記ルーバ体の支持部が前記器具本
体の載置部に対して前記ランプの水平方向の摺動可能な
距離と略同一寸法であることを特徴とする照明器具。1. A straight tube type lamp having a plurality of louver pieces mounted perpendicularly to the axial direction of the straight tube type lamp and having cutouts formed on the upper side to match the shape of the lamp. And a supporting portion that is mounted and supported on a lower surface so as to be slidable for a predetermined distance on a mounting portion formed on the lower surface so as to face each other on both sides in the longitudinal direction of the irradiation opening along the longitudinal direction of the lamp. A louver body, wherein the cutout portion has a horizontal distance from a surface of the lamp to an edge of the cutout portion, and a support portion of the louver body has a horizontal direction of the lamp with respect to a mounting portion of the appliance body. A luminaire having substantially the same size as the slidable distance of the luminaire.
記切欠部の縁までの垂直方向の距離が、ルーバ体の支持
部が器具本体の載置部上の摺動可能な距離より短かいこ
とを特徴とする請求項１記載の照明器具。2. The cutout has a vertical distance from a surface of the lamp to an edge of the cutout that is shorter than a distance at which the support portion of the louver body can slide on the mounting portion of the instrument body. The luminaire according to claim 1, wherein
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4384892A JPH05242712A (en) | 1992-02-28 | 1992-02-28 | Luminaire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4384892A JPH05242712A (en) | 1992-02-28 | 1992-02-28 | Luminaire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05242712A true JPH05242712A (en) | 1993-09-21 |
Family
ID=12675146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4384892A Pending JPH05242712A (en) | 1992-02-28 | 1992-02-28 | Luminaire |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05242712A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008098110A (en) * | 2006-10-16 | 2008-04-24 | Matsushita Electric Works Ltd | Lighting apparatus |
-
1992
- 1992-02-28 JP JP4384892A patent/JPH05242712A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008098110A (en) * | 2006-10-16 | 2008-04-24 | Matsushita Electric Works Ltd | Lighting apparatus |
| JP4670785B2 (en) * | 2006-10-16 | 2011-04-13 | パナソニック電工株式会社 | lighting equipment |
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